| commit | author | age | ||
| 9bcb19 | 1 | /* |
| I | 2 | Copyright [2020] [https://www.xiaonuo.vip] |
| 3 | ||
| 4 | Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | you may not use this file except in compliance with the License. | |
| 6 | You may obtain a copy of the License at | |
| 7 | ||
| 8 | http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | ||
| 10 | Unless required by applicable law or agreed to in writing, software | |
| 11 | distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | See the License for the specific language governing permissions and | |
| 14 | limitations under the License. | |
| 15 | ||
| 16 | Snowy采用APACHE LICENSE 2.0开源协议，您在使用过程中，需要注意以下几点： | |
| 17 | ||
| 18 | 1.请不要删除和修改根目录下的LICENSE文件。 | |
| 19 | 2.请不要删除和修改Snowy源码头部的版权声明。 | |
| 20 | 3.请保留源码和相关描述文件的项目出处，作者声明等。 | |
| 21 | 4.分发源码时候，请注明软件出处 https://gitee.com/xiaonuobase/snowy | |
| 22 | 5.在修改包名，模块名称，项目代码等时，请注明软件出处 https://gitee.com/xiaonuobase/snowy | |
| 23 | 6.若您的项目无法满足以上几点，可申请商业授权，获取Snowy商业授权许可，请在官网购买授权，地址为 https://www.xiaonuo.vip | |
| 24 | */ | |
| 25 | package vip.xiaonuo.sys.core.aop; | |
| 26 | ||
| 27 | import cn.hutool.core.bean.BeanUtil; | |
| 28 | import cn.hutool.core.util.ArrayUtil; | |
| 29 | import cn.hutool.core.util.ObjectUtil; | |
| 30 | import cn.hutool.log.Log; | |
| 31 | import com.baomidou.mybatisplus.extension.plugins.pagination.Page; | |
| 32 | import org.aspectj.lang.ProceedingJoinPoint; | |
| 33 | import org.aspectj.lang.annotation.Around; | |
| 34 | import org.aspectj.lang.annotation.Aspect; | |
| 35 | import org.aspectj.lang.annotation.Pointcut; | |
| 36 | import org.aspectj.lang.reflect.MethodSignature; | |
| 37 | import org.springframework.core.annotation.Order; | |
| 38 | import vip.xiaonuo.core.annotion.Wrapper; | |
| 39 | import vip.xiaonuo.core.consts.AopSortConstant; | |
| 40 | import vip.xiaonuo.core.exception.ServiceException; | |
| 41 | import vip.xiaonuo.core.exception.enums.WrapperExceptionEnum; | |
| 42 | import vip.xiaonuo.core.pojo.base.wrapper.BaseWrapper; | |
| 43 | import vip.xiaonuo.core.pojo.page.PageResult; | |
| 44 | import vip.xiaonuo.core.pojo.response.ResponseData; | |
| 45 | ||
| 46 | import java.lang.reflect.Array; | |
| 47 | import java.lang.reflect.Method; | |
| 48 | import java.util.ArrayList; | |
| 49 | import java.util.Collection; | |
| 50 | import java.util.Map; | |
| 51 | ||
| 52 | /** | |
| 53 | * controller结果包装的aop | |
| 54 | * | |
| 55 | * @author xuyuxiang | |
| 56 | * @date 2020/7/24 17:42 | |
| 57 | */ | |
| 58 | @Aspect | |
| 59 | @Order(AopSortConstant.WRAPPER_AOP) | |
| 60 | public class WrapperAop { | |
| 61 | ||
| 62 | private static final Log log = Log.get(); | |
| 63 | ||
| 64 | /** | |
| 65 | * 切入点 | |
| 66 | * | |
| 67 | * @author xuyuxiang | |
| 68 | * @date 2020/7/24 17:42 | |
| 69 | */ | |
| 70 | @Pointcut("@annotation(vip.xiaonuo.core.annotion.Wrapper)") | |
| 71 | private void wrapperPointcut() { | |
| 72 | } | |
| 73 | ||
| 74 | /** | |
| 75 | * 执行具体的包装过程 | |
| 76 | * | |
| 77 | * @author xuyuxiang | |
| 78 | * @date 2020/7/24 17:44 | |
| 79 | */ | |
| 80 | @Around("wrapperPointcut()") | |
| 81 | public Object doWrapper(ProceedingJoinPoint proceedingJoinPoint) throws Throwable { | |
| 82 | ||
| 83 | // 直接执行原有业务逻辑 | |
| 84 | Object proceedResult = proceedingJoinPoint.proceed(); | |
| 85 | ||
| 86 | return processWrapping(proceedingJoinPoint, proceedResult); | |
| 87 | } | |
| 88 | ||
| 89 | /** | |
| 90 | * 具体包装过程 | |
| 91 | * | |
| 92 | * @author xuyuxiang | |
| 93 | * @date 2020/7/24 17:53 | |
| 94 | */ | |
| 95 | @SuppressWarnings("all") | |
| 96 | private Object processWrapping(ProceedingJoinPoint proceedingJoinPoint, Object originResult) throws IllegalAccessException, InstantiationException { | |
| 97 | ||
| 98 | // 获取@Wrapper注解 | |
| 99 | MethodSignature methodSignature = (MethodSignature) proceedingJoinPoint.getSignature(); | |
| 100 | Method method = methodSignature.getMethod(); | |
| 101 | Wrapper wrapperAnnotation = method.getAnnotation(Wrapper.class); | |
| 102 | ||
| 103 | // 获取注解上的处理类 | |
| 104 | Class<? extends BaseWrapper<?>>[] baseWrapperClasses = wrapperAnnotation.value(); | |
| 105 | ||
| 106 | // 如果注解上的为空直接返回 | |
| 107 | if (ObjectUtil.isEmpty(baseWrapperClasses)) { | |
| 108 | return originResult; | |
| 109 | } | |
| 110 | ||
| 111 | // 获取原有返回结果，如果不是ResponseData则不进行处理(需要遵守这个约定) | |
| 112 | if (!(originResult instanceof ResponseData)) { | |
| 113 | log.warn(">>> 当前请求的返回结果不是ResponseData类型，直接返回原值！"); | |
| 114 | return originResult; | |
| 115 | } | |
| 116 | ||
| 117 | // 获取ResponseData中的值 | |
| 118 | ResponseData responseData = (ResponseData) originResult; | |
| 119 | Object beWrapped = responseData.getData(); | |
| 120 | ||
| 121 | // 如果是基本类型，不进行加工处理 | |
| 122 | if (ObjectUtil.isBasicType(beWrapped)) { | |
| 123 | throw new ServiceException(WrapperExceptionEnum.BASIC_TYPE_ERROR); | |
| 124 | } | |
| 125 | ||
| 126 | // 如果是Page类型 | |
| 127 | if (beWrapped instanceof Page) { | |
| 128 | ||
| 129 | // 获取Page原有对象 | |
| 130 | Page page = (Page) beWrapped; | |
| 131 | ||
| 132 | // 将page中所有records都包装一遍 | |
| 133 | ArrayList<Map<String, Object>> maps = new ArrayList<>(); | |
| 134 | for (Object wrappedItem : page.getRecords()) { | |
| 135 | maps.add(this.wrapPureObject(wrappedItem, baseWrapperClasses)); | |
| 136 | } | |
| 137 | ||
| 138 | page.setRecords(maps); | |
| 139 | responseData.setData(page); | |
| 140 | } | |
| 141 | ||
| 142 | // 如果是PageResult类型 | |
| 143 | else if (beWrapped instanceof PageResult) { | |
| 144 | ||
| 145 | // 获取PageResult原有对象 | |
| 146 | PageResult pageResult = (PageResult) beWrapped; | |
| 147 | ||
| 148 | // 将PageResult中所有rows都包装一遍 | |
| 149 | ArrayList<Map<String, Object>> maps = new ArrayList<>(); | |
| 150 | for (Object wrappedItem : pageResult.getRows()) { | |
| 151 | maps.add(this.wrapPureObject(wrappedItem, baseWrapperClasses)); | |
| 152 | } | |
| 153 | ||
| 154 | pageResult.setRows(maps); | |
| 155 | responseData.setData(pageResult); | |
| 156 | } | |
| 157 | ||
| 158 | // 如果是List类型 | |
| 159 | else if (beWrapped instanceof Collection) { | |
| 160 | ||
| 161 | // 获取原有的List | |
| 162 | Collection collection = (Collection) beWrapped; | |
| 163 | ||
| 164 | // 将page中所有records都包装一遍 | |
| 165 | ArrayList<Map<String, Object>> maps = new ArrayList<>(); | |
| 166 | for (Object wrappedItem : collection) { | |
| 167 | maps.add(this.wrapPureObject(wrappedItem, baseWrapperClasses)); | |
| 168 | } | |
| 169 | ||
| 170 | responseData.setData(maps); | |
| 171 | } | |
| 172 | ||
| 173 | // 如果是Array类型 | |
| 174 | else if (ArrayUtil.isArray(beWrapped)) { | |
| 175 | ||
| 176 | // 获取原有的Array | |
| 177 | Object[] objects = this.objToArray(beWrapped); | |
| 178 | ||
| 179 | // 将array中所有records都包装一遍 | |
| 180 | ArrayList<Map<String, Object>> maps = new ArrayList<>(); | |
| 181 | for (Object wrappedItem : objects) { | |
| 182 | maps.add(this.wrapPureObject(wrappedItem, baseWrapperClasses)); | |
| 183 | } | |
| 184 | ||
| 185 | responseData.setData(maps); | |
| 186 | } | |
| 187 | ||
| 188 | // 如果是Object类型 | |
| 189 | else { | |
| 190 | responseData.setData(this.wrapPureObject(beWrapped, baseWrapperClasses)); | |
| 191 | } | |
| 192 | ||
| 193 | ||
| 194 | return responseData; | |
| 195 | } | |
| 196 | ||
| 197 | /** | |
| 198 | * 原始对象包装成一个map的过程 | |
| 199 | * <p> | |
| 200 | * 期间多次根据BaseWrapper接口方法执行包装过程 | |
| 201 | * | |
| 202 | * @author xuyuxiang | |
| 203 | * @date 2020/7/24 21:40 | |
| 204 | */ | |
| 205 | @SuppressWarnings("all") | |
| 206 | private Map<String, Object> wrapPureObject(Object originModel, Class<? extends BaseWrapper<?>>[] baseWrapperClasses) { | |
| 207 | ||
| 208 | // 首先将原始的对象转化为map | |
| 209 | Map<String, Object> originMap = BeanUtil.beanToMap(originModel); | |
| 210 | ||
| 211 | // 经过多个包装类填充属性 | |
| 212 | try { | |
| 213 | for (Class<? extends BaseWrapper<?>> baseWrapperClass : baseWrapperClasses) { | |
| 214 | BaseWrapper baseWrapper = baseWrapperClass.newInstance(); | |
| 215 | Map<String, Object> incrementFieldsMap = baseWrapper.doWrap(originModel); | |
| 216 | originMap.putAll(incrementFieldsMap); | |
| 217 | } | |
| 218 | } catch (Exception e) { | |
| 219 | log.error(">>> 原始对象包装过程，字段转化异常：{}", e.getMessage()); | |
| 220 | throw new ServiceException(WrapperExceptionEnum.TRANSFER_ERROR); | |
| 221 | } | |
| 222 | ||
| 223 | return originMap; | |
| 224 | } | |
| 225 | ||
| 226 | /** | |
| 227 | * Object转为一个array，确保object为数组类型 | |
| 228 | * | |
| 229 | * @author xuyuxiang | |
| 230 | * @date 2020/7/24 22:06 | |
| 231 | */ | |
| 232 | private Object[] objToArray(Object object) { | |
| 233 | int length = Array.getLength(object); | |
| 234 | Object[] result = new Object[length]; | |
| 235 | for (int i = 0; i < result.length; i++) { | |
| 236 | result[i] = Array.get(object, i); | |
| 237 | } | |
| 238 | return result; | |
| 239 | } | |
| 240 | ||
| 241 | } | |
